Home / 726,203.80-1,089,313.62-220,846.96

Finding the Fourth Proportional to 726,203.80, 1,089,313.62 and 220,846.96

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Solution

The fourth proportional to 726,203.80, 1,089,313.62 and 220,846.96 is: 331,272.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,203.80 : 1,089,313.62 = 220,846.96 : x
  2. Step 2: Convert to fraction form
    726,203.80/1,089,313.62 = 220,846.96/x
  3. Step 3: Cross multiply
    726,203.80x = 1,089,313.62 × 220,846.96
  4. Step 4: Simplify right side
    726,203.80x = 240,571,601,463.60
  5. Step 5: Solve for x
    x = 240,571,601,463.60/726,203.80
  6. Step 6: Final answer
    x = 331,272.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.